gwj / po_oopc · Files

#include <QtGui>
#include <QApplication>
#include <QWidget>

class MyWidget:public QWidget
{
public:
MyWidget (QWidget * parent = 0):QWidget (parent)
  {    
  };
protected:
  void paintEvent (QPaintEvent *)
  {
    QPainter painter (this);
    QPen pen;
    pen.setWidth(3);
    pen.setBrush(Qt::magenta);
    painter.setPen(pen);
    painter.drawLine(0,0,200,100);
  }
};

int
main (int argc, char *argv[])
{
  QApplication app (argc, argv);
  MyWidget w;
  w.resize(200,200);
  w.show ();
  return app.exec ();
}